Apathy in rapid eye movement sleep behaviour disorder is common and under-recognized.
Thomas R BarberK MuhammedD DrewM LawtonM CrabbeM RolinskiT QuinnellZ ZaiwallaY Ben-ShlomoM HusainM T M HuPublished in: European journal of neurology (2017)
Apathy is common in RBD and is underestimated by a single self-report question. Recognition of apathy as a distinct neuropsychiatric feature in RBD could aid targeted treatment interventions and might contribute to the understanding of prodromal PD.